4 Pack Ultrasonic Insect Repellent, Electronic Mouse Trap for Indoor, Mosquito and Spider Repellent Insert, Effective Rodent Repellent

General DescriptionThe Ultrasonic Insect Repellent Pack of 4 is designed to effectively keep mosquitoes, cockroaches, mice, mites and other pests away from your home. Using ultrasonic automatic frequency conversion technology, these devices emit ultrasonic waves from 20 to 55 kHz, stimulating the auditory and nervous systems of pests. They are safe for humans and pets, provided they are placed out of reach of the sensitive ears of cats and dogs.Technical specificationsUltrasonic frequency: 20 to 55 kHzCoverage area: up to 80 to 120 square metersRecommended installation: at a distance of 10 to 30 inches from the groundObstacles: no obstacles within 1 meterInstallationTo install the repellent, just plug it in. It is advisable to install one in each room, as ultrasonic waves cannot pass through walls and solid objects.Make sure you place it at the right height and away from obstacles.UsageThe repellent works when you notice a misty glow. There is no need to clean up dead pests, as there is no bad smell or dead bodies to deal with. Additionally, these devices do not require batteries, saving money.Other InformationContents: 4 Ultrasonic Pest RepellersFor any questions or dissatisfaction, customer service is available to resolve problems quickly.